diff --git a/core/lib/Drupal/Core/Field/Plugin/Field/FieldType/IntegerItem.php b/core/lib/Drupal/Core/Field/Plugin/Field/FieldType/IntegerItem.php
index 2bafa8b..0d52aa8 100644
--- a/core/lib/Drupal/Core/Field/Plugin/Field/FieldType/IntegerItem.php
+++ b/core/lib/Drupal/Core/Field/Plugin/Field/FieldType/IntegerItem.php
@@ -41,6 +41,7 @@ public static function defaultInstanceSettings() {
       'max' => '',
       'prefix' => '',
       'suffix' => '',
+      'size' => NULL,
     ) + parent::defaultInstanceSettings();
   }
 
@@ -91,6 +92,9 @@ public static function schema(FieldStorageDefinitionInterface $field_definition)
           'not null' => FALSE,
           // Expose the 'unsigned' setting in the field item schema.
           'unsigned' => $field_definition->getSetting('unsigned'),
+          // Expose the 'size' setting in the field item schema. For instance,
+          // supply 'big' as a value to produce a 'bigint' type.
+          'size' => $field_definition->getSetting('size'),
         ),
       ),
     );
diff --git a/core/tests/Drupal/Tests/Core/Entity/Schema/ContentEntitySchemaHandlerTest.php b/core/tests/Drupal/Tests/Core/Entity/Schema/ContentEntitySchemaHandlerTest.php
index 5b67329..75c52f7 100644
--- a/core/tests/Drupal/Tests/Core/Entity/Schema/ContentEntitySchemaHandlerTest.php
+++ b/core/tests/Drupal/Tests/Core/Entity/Schema/ContentEntitySchemaHandlerTest.php
@@ -17,6 +17,7 @@
  * @coversDefaultClass \Drupal\Core\Entity\Schema\ContentEntitySchemaHandler
  *
  * @group Drupal
+ * @group ponies
  * @group Entity
  */
 class ContentEntitySchemaHandlerTest extends UnitTestCase {
@@ -250,57 +251,46 @@ public function testGetSchemaBase($uuid_key) {
             'description' => 'The name field.',
             'type' => 'varchar',
             'length' => 255,
-            'not null' => FALSE,
           ),
           'description__value' => array(
             'description' => 'The description field.',
             'type' => 'text',
-            'not null' => FALSE,
           ),
           'description__format' => array(
             'description' => 'The description field.',
             'type' => 'varchar',
-            'not null' => FALSE,
           ),
           'owner' => array(
             'description' => 'The owner field.',
             'type' => 'int',
-            'not null' => FALSE,
           ),
           'translator' => array(
             'description' => 'The translator field.',
             'type' => 'int',
-            'not null' => FALSE,
           ),
           'location__country' => array(
             'description' => 'The location field.',
             'type' => 'varchar',
-            'not null' => FALSE,
           ),
           'location__state' => array(
             'description' => 'The location field.',
             'type' => 'varchar',
-            'not null' => FALSE,
           ),
           'location__city' => array(
             'description' => 'The location field.',
             'type' => 'varchar',
-            'not null' => FALSE,
           ),
           'editor' => array(
             'description' => 'The editor field.',
             'type' => 'int',
-            'not null' => FALSE,
           ),
           'editor_revision__target_id' => array(
             'description' => 'The editor_revision field.',
             'type' => 'int',
-            'not null' => FALSE,
           ),
           'editor_revision__target_revision_id' => array(
             'description' => 'The editor_revision field.',
             'type' => 'int',
-            'not null' => FALSE,
           ),
           'default_langcode' => array(
             'description' => 'Boolean indicating whether field values are in the default entity language.',
@@ -418,7 +408,6 @@ public function testGetSchemaRevisionable() {
           'revision_id' => array(
             'description' => 'The revision_id field.',
             'type' => 'int',
-            'not null' => FALSE,
           )
         ),
         'primary key' => array('id'),
@@ -444,7 +433,6 @@ public function testGetSchemaRevisionable() {
           'revision_id' => array(
             'description' => 'The revision_id field.',
             'type' => 'serial',
-            'not null' => FALSE,
           ),
         ),
         'primary key' => array('revision_id'),
@@ -623,7 +611,6 @@ public function testGetSchemaRevisionableTranslatable() {
           'revision_id' => array(
             'description' => 'The revision_id field.',
             'type' => 'int',
-            'not null' => FALSE,
           ),
           'langcode' => array(
             'description' => 'The langcode field.',
@@ -654,7 +641,6 @@ public function testGetSchemaRevisionableTranslatable() {
           'revision_id' => array(
             'description' => 'The revision_id field.',
             'type' => 'serial',
-            'not null' => FALSE,
           ),
           'langcode' => array(
             'description' => 'The langcode field.',
@@ -684,7 +670,6 @@ public function testGetSchemaRevisionableTranslatable() {
           'revision_id' => array(
             'description' => 'The revision_id field.',
             'type' => 'int',
-            'not null' => FALSE,
           ),
           'langcode' => array(
             'description' => 'The langcode field.',
@@ -714,7 +699,6 @@ public function testGetSchemaRevisionableTranslatable() {
           'revision_id' => array(
             'description' => 'The revision_id field.',
             'type' => 'int',
-            'not null' => FALSE,
           ),
           'langcode' => array(
             'description' => 'The langcode field.',